What is the CPSIA?

Here is a collection of links where you can see a wide variety of tracking label solutions.

Yarn, both natural and synthetic, is on the CPSC’s list of materials exempt from both third party lead testing and phthalate testing.  So any knitted or crocheted product that is made entirely of yarn does not require any third party testing.
However, if you add a button, zipper, or any other part not made of yarn, [...]